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Auxin response factors (ARFs) play a vital role in plant growth and development. In the current study, 16 ARF members have been identified in the sweet cherry (<i>Prunus avium</i> L.) genome. These genes are all located in the nucleus. Sequence analysis showed that genes in the same subgroup have similar exon-intron structures. A phylogenetic tree has been divided into five groups. The promoter sequence includes six kinds of plant hormone-related elements, as well as abiotic stress response elements such as low temperature or drought. The expression patterns of <i>PavARF</i> in different tissues, fruitlet abscission, cold and drought treatment were comprehensively analyzed. <i>PavARF10/13</i> was up-regulated and <i>PavARF4/7/11/12/15</i> was down-regulated in fruitlet abscising. These genes may be involved in the regulation of fruit drop in sweet cherry fruits. This study comprehensively analyzed the bioinformatics and expression pattern of <i>PavARF</i>, which can lay the foundation for further understanding the <i>PavARF</i> family in plant growth development and fruit abscission.